UltraClean Holdings, Inc. (UCT) is a global leader in semiconductor fabrication support.

The Products Division provides improved design-to-delivery times for major subassemblies, advanced flow control, and high-precision manufacturing.

In Israel, the company is operating through UCT Fluid Solutions Division (formerly Ham-Let Group). focusing on developing, manufacturing, and distributing high-performance industrial flow control systems-connectors, fittings and valves for gases and liquids.